The Insider - Season 1

Exclusive events company Quintessentially Events send one of their managers undercover to work and live with a group of potential recruits, as they unwittingly take on the ultimate interview. One candidate will win the job of a lifetime, but all will get the shock of their lives.

Quirky fashion company Joy send one of their most trusted employees undercover to work and live with a group of potential recruits, as they unwittingly take on the ultimate interview. One candidate will win the job of a lifetime, but all will get the shock of their lives.

Advertising and marketing agency Iris send one of their most trusted employees undercover with a group of new recruits as they compete to win a job as the next account executive. To get to the bottom of what makes them tick, Iris's double agent lives and works with them to find the best person to employ. They work on briefs and pitches for big name brands, culminating in a stunt at London's Waterloo station. One candidate will win the job of a lifetime, but all four will get the shock of their lives.

What happens when a company throws the interview process out the window, and sends in a spy to find out what candidates are REALLY like?

This time Groupon, the world's biggest daily deal website, are sending one of their most trusted employees undercover to find the best person for a dream job in the company. The chosen person will be given the role of experience manager, trying out all the website's offers and creating new deals to sell on the site.

For ten days, the Groupon secret agent will work and live with a group of potential new recruits, as they unwittingly take on the ultimate interview. One candidate will win the job of a life time... but all four will get the shock of their lives.